180534078 has 12 divisors (see below), whose sum is σ = 391157208. Its totient is φ = 60178020.

The previous prime is 180534071. The next prime is 180534083. The reversal of 180534078 is 870435081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180534071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5014818 + ... + 5014853.

It is an arithmetic number, because the mean of its divisors is an integer number (32596434).

Almost surely, 2^180534078 is an apocalyptic number.

180534078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

180534078 is an abundant number, since it is smaller than the sum of its proper divisors (210623130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180534078 is a wasteful number, since it uses less digits than its factorization.

180534078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10029679 (or 10029676 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 180534078 is about 13436.2970345255. The cubic root of 180534078 is about 565.1794955320.

The spelling of 180534078 in words is "one hundred eighty million, five hundred thirty-four thousand, seventy-eight".